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Metal adhesives

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Tra-Con Tra-Bond 2115 Clear High Strength Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy

Material Notes: TRA-BOND 2115 is a clear, low viscosity epoxy formulation used in the fabrication of lasers. It is capable of withstanding 30 seconds of 60 watt direct laser energy. The low cure shrinkage (using a room temperature cure) make 2115 an excellent choice for bonding optical components where alignment accuracy is essential. This high strength system is also used for laminating glass and rigid plastics or bonding metals and ceramics. TRA-BOND 2115 offers superior resistance to mechanical shock and temperature cycling. It has been used in cycling applications down to 4K. It is also resistant to water, weather, ozone, most petroleum products, mild acids and alkalis and many other chemicals.

Information provided by Tra-Con Inc.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.22 g/ccMixed
Viscosity 250 cP
@Temperature 25.0 °C
After mixing
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 78
Adhesive Bond Strength 3800 psiLap shear, alum to alum
Izod Impact, Notched 0.220 ft-lb/in
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 9.00e+8 ohm-cm
Dielectric Constant 4.8
@Frequency 1000 Hz
Dielectric Strength 430 V/mil
Dissipation Factor 0.010
@Frequency 1000 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 55.0 µm/m-°C
@Temperature 20.0 °C
Maximum Service Temperature, Air 100 °C
Minimum Service Temperature, Air -70.0 °C
Glass Transition Temp, Tg 55.0 °CUltimate Tg
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.55
Transmission, Visible 90 %clear; thickness not quantified
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 - 2.00 hour
@Temperature 65.0 °C
 24.0 hour
@Temperature 25.0 °C
Pot Life 120 min
 
Descriptive Properties
Color Clear
Mix Ratio, parts by weight100/30Resin/Hardener
Thixotropic Index 1

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Metal adhesives

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